Air sampling gun for collection of vapors

- Thermedics Inc.
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Description

FIG. 1 is a top, front and right side perspective view of an air sampling gun for collection of vapors showing our new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a top plan view; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D184639 March 1959 Roberts
D206458 December 1966 Canterbury
D225005 October 1972 Greene
D282531 February 11, 1986 Schmidt et al.
3067619 December 1962 Fielding
3748905 July 1973 Fletcher et al.
Other references
  • Spangler, G. E., et al, "Analysis of Explosives and Explosive Residues with Ion Mobility Spectrometry (IMS)", Proc. of Int. Symp., on the Analysis and Detection of Explosives, Mar. 29-31, 1983, pp. 267-282. Annual Report of Thermedics Inc., 1986, p. 10.
Patent History
Patent number: D319796
Type: Grant
Filed: Jan 3, 1989
Date of Patent: Sep 10, 1991
Assignee: Thermedics Inc. (Woburn, MA)
Inventors: James B. McGown (Attleboro, MA), Edward E. A. Bromberg (Peabody, MA), David H. Fine (Sudbury, MA), A. Lindsay Carroll, Jr. (Cohasset, MA), Michel D. Arney (Roslindale, MA), Lynn Noble (Lexington, MA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorney: Herbert E. Messenger
Application Number: 7/293,142
Classifications
Current U.S. Class: Chemical (12) (D10/81)